<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>测试单个文件上传</title>
</head>
<body>
    <p>上传文件，使用multipart/form-data类型</p>
    <form action="/testup/upload" method="post" enctype="multipart/form-data">
        <input type="file" name="file">
        <button type="submit">上传</button>
    </form>
</body>
</html>